First of all, we probably don't know what frequency you are operating on with that TX - RX combination. A google search comes up with motorcycles and telephones.. no RC transmitters.

More information is probably necessary, at least for me it is.

But, there is a solution to your problem, but it involves getting a different radio system. I don't know the availability of radio systems in Ireland, but perhaps you can order one from here. There are many available that have model memory. All of the major manufacturers, Airtronics, Spektrum, JR, Hitec, Futaba, Polk, even Tower, make radio systems with model memory... some more models than others, and the range of cost, for the basic systems, is around your price range (when converting the Euro over to US $$). You have an advantage over us in that realm.. the exchage rate is definitely in your favor.

Take a look at Tower Hobbies and Horizon Hobby and see if you can find something you like and within your price range.

CGr